Flash Flood Warning 8, NWS Raleigh, NC

Issued

May 22, 2012, 9:45 PM EDT (01:45 UTC)

Expired

May 23, 2012, 12:45 AM EDT

In force

3 hr

Issued by

NWS Raleigh, NC

Area

Storm-based polygon

Flood severity

None

County Forsyth County, NC

The Roanoke radar (KFCX), 95 km from the middle of the area, began a volume at 01:46 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

231 
WGUS52 KRAH 230145
FFWRAH
NCC067-230445-
/O.NEW.KRAH.FF.W.0008.120523T0145Z-120523T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE RALEIGH NC
945 PM EDT TUE MAY 22 2012

THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  FORSYTH COUNTY IN CENTRAL NORTH CAROLINA

* UNTIL 1245 AM EDT

* AT 937 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS WITH VERY HEAVY RAIN PRODUCING FLOODING OVER NORTHERN
  FORSYTH COUNTY. DOPPLER RADAR ESTIMATED THAT AS MUCH AS 1 TO 2 
INCHES OF RAIN HAS FALLEN OVER PORTIONS OF FORSYTH COUNTY DURING THE 
LAST HOUR

* LOCATIONS THREATENED WITH FLOODING INCLUDE WINSTON-SALEM...
  KERNERSVILLE AND BELEWS CREEK.

AN ADDITIONAL 1 TO 2 INCHES OF RAINFALL ARE STILL POSSIBLE RESULTING 
IN ADDITIONAL FLOODING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM THE HEAVY RAIN WILL CAUSE FLASH FLOODING OF
CREEKS AND STREAMS...ROADS...LOW LYING AND POOR DRAINAGE AREAS. DO
NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROAD. MANY
ROADS AND INTERSECTIONS IN THE AREA WILL QUICKLY FLOOD. WHEN
ENCOUNTERING FLOODED ROADS TURN AROUND...DONT DROWN.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED ACT
QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY
IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

PLEASE REPORT FLOODING TO THE NATIONAL WEATHER SERVICE BY CALLING...
1...8 7 7...6 3 3...6 7 7 2 OR NOTIFY YOUR LOCAL LAW ENFORCEMENT
AGENCY.

&&

LAT...LON 3626 8038 3626 8003 3609 8004 3606 8005
      3608 8036

$$

77

042 
WGUS72 KRAH 230352
FFSRAH

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
1152 PM EDT TUE MAY 22 2012

NCC067-230445-
/O.CON.KRAH.FF.W.0008.000000T0000Z-120523T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
FORSYTH NC-
1152 PM EDT TUE MAY 22 2012

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1245 AM EDT FOR
NORTHERN FORSYTH COUNTY...

AT 1146 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE THUNDERSTORMS THAT WERE REDEVELOPING OVER THE SAME AREA 
PRODUCING HEAVY RAIN IN NORTHERN FORSYTH COUNTY. DOPPLER RADAR 
ESTIMATED THAT 1.5 AND 2 INCHES OF RAIN HAS FALLEN OVER NORTHWEST 
FORSYTH COUNTY SINCE 1030 PM.

ANOTHER INCH OF RAIN IS POSSIBLE THROUGH 1 AM EDT. THE FLASH FLOOD 
WARNING MAY NEED TO BE EXTENDED IF THE STORMS APPEAR THEY WILL 
PERSIST. 

LOCATIONS THREATENED BY FLOODING INCLUDE BUT ARE NOT LIMITED TO
BELEWS CREEK

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.

PLEASE REPORT FLOODING TO THE NATIONAL WEATHER SERVICE BY CALLING...
1...8 7 7...6 3 3...6 7 7 2 OR NOTIFY YOUR LOCAL LAW ENFORCEMENT
AGENCY.

&&

LAT...LON 3626 8038 3626 8003 3609 8004 3606 8005
      3608 8036

$$

WSS

928 
WGUS72 KRAH 230446
FFSRAH

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
1246 AM EDT WED MAY 23 2012

NCC067-230452-
/O.EXP.KRAH.FF.W.0008.000000T0000Z-120523T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
FORSYTH NC-
1246 AM EDT WED MAY 23 2012

...THE FLASH FLOOD WARNING WILL EXPIRE AT 1245 AM EDT FOR NORTHERN
FORSYTH COUNTY...

AT 1242 AM EDT...SHOWERS WITH HEAVY RAIN AND ISOLATED THUNDERSTORMS 
HAVE DIMINISHED IN INTENSITY ACROSS FORSYTH COUNTY SINCE MIDNIGHT. 
COUNTY OFFICIALS REPORT THAT THE MINOR FLOODING PROBLEMS OCCURRING 
TUESDAY EVENING HAVE IMPROVED. THUS THE FLASH FLOOD WARNING WILL BE 
ALLOWED TO EXPIRE.

ADDITIONAL SHOWERS AND STORMS MAY DEPOSIT ANOTHER HALF TO ONE INCH 
OF RAIN OVER FORSYTH COUNTY OVERNIGHT. THIS ADDITIONAL RAINFALL WILL 
LIKELY CAUSE WATER LEVELS IN CREEKS AND STREAMS TO RISE A BIT BUT IS 
NOT EXPECTED TO CAUSE WIDESPREAD FLOODING.


LAT...LON 3626 8038 3626 8003 3609 8004 3606 8005
      3608 8036

$$

WSS

Flash Flood Warnings in North Carolina, 2012Every flash flood warning in 2012

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.